SS Sanct Svithun was a 1,376 ton steel-hulled steamship built by the German shipyard Danziger Werft and delivered to the Norwegian Stavanger-based shipping company Det Stavangerske Dampskibsselskab on 1 July 1927. She sailed the Hurtigruten route along the coast of Norway until she was lost in an air attack on 30 September 1943 during the Second World War.